At the end of the Mexican-American War, a crooked U.S. Cavalry Captain and his men force a captive Mexican officer to sign the deeds to his vast lands and large hacienda over to the Captain.At the end of the Mexican-American War, a crooked U.S. Cavalry Captain and his men force a captive Mexican officer to sign the deeds to his vast lands and large hacienda over to the Captain.At the end of the Mexican-American War, a crooked U.S. Cavalry Captain and his men force a captive Mexican officer to sign the deeds to his vast lands and large hacienda over to the Captain.